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1. RBAP, a rhodamine B-based derivative: synthesis, crystal structure analysis, molecular simulation, and its application as a selective fluorescent chemical sensor for Sn2+.

Author

Bao X, Cao X, Nie X, Jin Y, and Zhou B

Subjects
Crystallization, Crystallography, X-Ray, Fluorescent Dyes chemical synthesis, Fluorescent Dyes metabolism, Models, Molecular, Molecular Structure, Rhodamines chemical synthesis, Rhodamines metabolism, Spectrometry, Fluorescence, Cations, Divalent chemistry, Fluorescent Dyes chemistry, Rhodamines chemistry, Tin chemistry, Water Pollutants analysis
Abstract

A new fluorescent chemosensor based on a Rhodamine B and a benzyl 3-aminopropanoate conjugate (RBAP) was designed, synthesized, and structurally characterized. Its single crystal structure was obtained and analyzed by X-ray analysis. In a MeOH/H2O (2:3, v/v, pH 5.95) solution RBAP exhibits a high selectivity and excellent sensitivity for Sn2+ ions in the presence of many other metal cations. The binding analysis using the Job's plot suggested the RBAP formed a 1:1 complex with Sn2+.

Published
2014
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